Read the sentence from the section “The Law Of Conservation Of Mass."

In a physical change, a substance's physical properties may change, but its chemical makeup does not.

Which of the following words, if it replaced the word "properties" in the sentence above, would CHANGE the meaning of the sentence?

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback